1. Articles from Michael R. E. Lamont

    1-2 of 2
    1. Feature Of The Week 09/29/2018: Cornell University Researchers Develop New Method for Ultra-Deep, Speckle-Suppressed, Volumetric Optical Coherence Microscopy

      Feature Of The Week 09/29/2018: Cornell University Researchers Develop New Method for Ultra-Deep, Speckle-Suppressed, Volumetric Optical Coherence Microscopy

      Multiple scattering is a major barrier that limits the optical imaging depth in scattering media. In order to alleviate this effect, we demonstrate aberration-diverse optical coherence tomography (AD-OCT), which exploits the phase correlation between the deterministic signals from single-scattered photons to suppress the random background caused by multiple scattering and speckle. AD-OCT illuminates the sample volume with diverse aberrated point spread functions, and computationally removes these intentionally applied aberrations. After accumulating 12 astigmatism-diverse OCT volumes, we show a 10 dB enhancement in signal-to-background ratio via a coherent average of reconstructed signals from a USAF target located 7.2 scattering mean ...

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    2. Aberration-diverse optical coherence tomography for suppression of multiple scattering and speckle

      Aberration-diverse optical coherence tomography for suppression of multiple scattering and speckle

      Multiple scattering is a major barrier that limits the optical imaging depth in scattering media. In order to alleviate this effect, we demonstrate aberration-diverse optical coherence tomography (AD-OCT), which exploits the phase correlation between the deterministic signals from single-scattered photons to suppress the random background caused by multiple scattering and speckle. AD-OCT illuminates the sample volume with diverse aberrated point spread functions, and computationally removes these intentionally applied aberrations. After accumulating 12 astigmatism-diverse OCT volumes, we show a 10 dB enhancement in signal-to-background ratio via a coherent average of reconstructed signals from a USAF target located 7.2 scattering mean ...

      Read Full Article
    1-2 of 2
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    1. (2 articles) Cornell University
    2. (1 articles) San Raffaele Scientfic Institute
    3. (1 articles) Carl Zeiss Meditec
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